sem ‧ i ‧ ot ‧ ics /ˌsemiˈɒtɪks $ -ˈɑːt-/ BrE AmE ( also sem‧i‧ol‧o‧gy /ˌsemiˈɒlədʒi $ -ˈɑːl-/) noun [uncountable] technical
[ Date: 1600-1700 ; Language: Greek ; Origin: semeiotikos 'looking at and understanding signs' , from semeion 'sign' ]
the way in which people communicate through signs and images, or the study of this
—semiotic adjective
—semiotician /ˌsemiəˈtɪʃ ə n/ ( also semiologist ) noun [countable]